we have configured K2SQL authentication and enabled all the Pre-requisite and however when we try to login using K2SQL then getting below error.
Claim mapping configuration cannot be found for this claim. Claim information: Name='XXX', Issuer='FormsSTS', Original Issuer='FormsSTS'. Please ensure that you have configured the K2 server as specified in K2 Help: Installation and Configuration > Configuration > SharePoint > Claims-based Authentication.